Idioms
An idiom is a group of words, or in other words, a phrase that has a meaning different from the literal meaning of the words in it.
Idiom:
drop off (someone or something) or drop (someone or something) off
Meaning:
to take someone or something to a certain location
Example:
I dropped off my friend at the airport.
List of common idioms, their meanings and examples of their usage in sentences
A group of words which have a different meaning when used together from the one they would have if you took the meaning of each word separately.